return {
    "pigtorch", "pighouse", "rabbithouse", "mermhouse_crafted",
    "mermwatchtower", "mermthrone_construction", "mermthrone", "mermhouse",
    "walrus_camp", "hermithouse_construction1", "hermithouse_construction2",
    "hermithouse_construction3", "hermithouse", "spiderden", "spiderden_2",
    "spiderden_3", "spiderhole", "moonspiderden", "dropperweb", "rabbithole",
    "molehill", "catcoonden", "houndmound", "monkeybarrel", "slurtlehole",
    "batcave", "dustmothden", "molebathill", "tallbirdnest", "beehive",
    "wasphive", "wobster_den", "moonglass_wobster_den", "tentacle_pillar_hole",
    "mooseegg", "beequeenhive", "beequeenhivegrown", "klaus_sack",
    "toadstool_cap", "gingerbreadhouse", "oceanvine_cocoon","oceanfish_shoalspawner",

    "monkeyhut",
}
